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Male Rhys I ap Tewdwr Mawr of Deheubarth Click to view Rhys I ap Tewdwr Mawr of Deheubarth in the family tree

Rhys I ap Tewdwr Mawr of's father is Tewdwr Mawr the Great ap Cadell and his mother is Gwenllian verch Gwyn of Dyvet.  His paternal grandparents are Cadell ap Einion and Elinor verch Gwerystan; his maternal grandfather is Gwyn ap Rhytherch. He had three brothers and two sisters, named Gwyn ap Tewdwr, Maredudd ap Tewdwr, Rhydderch ap Tewdwr, Elen verch Tewdwr and Nesta verch Tewdwr.  He died in 1093 in Castle of Brecknock, Brecons, Wales.


Rhys I ap Tewdwr Mawr of's first family with Gwladus ap Rhiwallon of Powys

They had five daughters named Nesta verch Rhys of, Ardden verch, Efa verch, Gwenllian verch and Gwladus verch.


Rhys I ap Tewdwr Mawr of's second family with Catrin (Gwladus) verch Lestyn of Powys

They had three sons named Gronwy ap, Llywelyn ap and Gruffydd ap.

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